package com.qf.dao;

import com.qf.pojo.CartItem;

import java.util.List;

public interface CartDao {
    Long findCountByUidAndPid(String pid,long uid);
    void addCart(String pid,long uid,int num);
    int updateNum(String pid,long uid,int num);
    List<CartItem> findCartByUid(long uid);
}
